File indexing completed on 2024-04-21 05:50:04

 /*
     SPDX-FileCopyrightText: 2012-2013 Evan Teran <evan.teran@gmail.com>
     SPDX-FileCopyrightText: 2006 Michel Marti <mma@objectxp.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "bitbutton.h"
 #include <QEvent>
 #include <QPainter>
 
 //------------------------------------------------------------------------------
 // Name: BitButton
 // Desc: constructor
 //------------------------------------------------------------------------------
 BitButton::BitButton(QWidget *parent)
     : QAbstractButton(parent)
 {
     // too many bits for tab focus
     setFocusPolicy(Qt::ClickFocus);
 
     // size button by font
     QSize size = fontMetrics().size(0, QStringLiteral("M"));
 
     if (size.width() < size.height()) {
         size.setHeight(size.width());
     } else {
         size.setWidth(size.height());
     }
 
     setMinimumSize(size);
     setRenderSize(size);
     setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
 
     this->setAttribute(Qt::WA_Hover, true);
 }
 
 //------------------------------------------------------------------------------
 // Name: paintEvent
 // Desc: draws the button
 //------------------------------------------------------------------------------
 void BitButton::paintEvent(QPaintEvent *)
 {
     uint8_t alpha = 0x60;
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing, true);
     QPen pen(palette().text(), 1);
     pen.setJoinStyle(Qt::MiterJoin);
     painter.setPen(pen);
 
     if (on_) {
         painter.setBrush(palette().text());
         alpha = 0xB0;
     } else {
         painter.setBrush(palette().base());
     }
 
     if (over_) {
         painter.setBrush(QColor(palette().text().color().red(), palette().text().color().green(), palette().text().color().blue(), alpha));
     }
 
     // Prepare button size (should be square)
     QRect square = rect();
     square.setSize(renderSize());
 
     // Draw button
     painter.translate(QPoint(0, (rect().height() - square.height()) / 2)); // center button
     painter.drawRect(square.adjusted(1, 1, -1, -1));
 }
 
 //------------------------------------------------------------------------------
 // Name: isOn
 // Desc: returns true if this bit-button is "on"
 //------------------------------------------------------------------------------
 bool BitButton::isOn() const
 {
     return on_;
 }
 
 //------------------------------------------------------------------------------
 // Name: setOn
 // Desc: changes the "on" value for the bitset
 //------------------------------------------------------------------------------
 void BitButton::setOn(bool value)
 {
     on_ = value;
     update();
 }
 
 //------------------------------------------------------------------------------
 // Name: renderSize
 // Desc: returns current render size
 //------------------------------------------------------------------------------
 void BitButton::setRenderSize(const QSize &size)
 {
     renderSize_ = size;
 }
 
 //------------------------------------------------------------------------------
 // Name: renderSize
 // Desc: returns current render size
 //------------------------------------------------------------------------------
 QSize BitButton::renderSize() const
 {
     return renderSize_;
 }
 
 //------------------------------------------------------------------------------
 // Name: enterEvent
 // Desc: sets to true the "over" variable on Enter event
 //------------------------------------------------------------------------------
 void BitButton::enterEvent(QEnterEvent *event)
 {
     Q_UNUSED(event)
     over_ = true;
     update();
 }
 
 //------------------------------------------------------------------------------
 // Name: leaveEvent
 // Desc: sets to false the "over" variable on Leave event
 //------------------------------------------------------------------------------
 void BitButton::leaveEvent(QEvent *event)
 {
     if (event->type() == QEvent::Leave) {
         over_ = false;
         update();
     }
 }
 
 //------------------------------------------------------------------------------
 // Name: focusInEvent
 // Desc: sets to true the "over" variable on Enter event
 //------------------------------------------------------------------------------
 void BitButton::focusInEvent(QFocusEvent *event)
 {
     Q_UNUSED(event)
     over_ = true;
     update();
 }
 
 //------------------------------------------------------------------------------
 // Name: focusOutEvent
 // Desc: sets to false the "over" variable on Leave event
 //------------------------------------------------------------------------------
 void BitButton::focusOutEvent(QFocusEvent *event)
 {
     Q_UNUSED(event)
     over_ = false;
     update();
 }
 
 #include "moc_bitbutton.cpp"